Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/7 from 6/20

6/20 - 5/7 is -29/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    6/20 = 6 × 7/20 × 7 = 42/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    5/7 = 5 × 20/7 × 20 = 100/140
  4. Subtract the two like fractions:
    42/140 - 100/140 = 42 - 100/140 = -58/140
  5. After reducing the fraction, the answer is -29/70

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com